How to Calculate wallpaper?


The First things you need are accurate measurements of the walls that are to be covered. Use a measuring tape. Measure in feet rounding off to the next highest half foot or one foot. Draw a room diagram showing doors, windows and ceiling height. If there are any built-in please make sure that you taken those measurement as well.

Next calculate the square footage of every wall that will be covered, subtract areas that will bot be covered and divide by 45. That will give an estimation rolls required.

Example:
1) 20 Feet + 20 Feet + 15 Feet + 15 Feet = 70 Feet
2) 70 Feet X 9 Feet Height = 630 Sqft
3) Less:
a. Windows 3 X {( 4 X 5 ) One Window} = 60 Sqft
b. Door {1 X ( 3 X 7 ) One Door} = 21 Sqft
c. Total = 81 Sqft
4) 630 Sqft – 81 Sqft = 549 Sqft
5) 549 Sqft / 45 Sqft Per Roll = 12.2
6) 12.2 = 13 Rolls of Wallcoverings
7) Border ( 70 Feet – 12 Feet – 3 Feet )
(Refer to Border Calculation) = 55 Feet / 15 = 3.6 = 4 Rolls
8) Additional Information
a. To calculate Top and Bottom (Top X 0.7) (Bottom X 0.3)
i. 13 rolls = 13 X 0.7 = 9.1 = 9 Rolls Top
ii. 13 rolls = 13 X 0.3 = 3.9 = 4 Rolls Bottom

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